256474680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 256

約数和(自身を含む): 984130560

約数和(自身を除く): 727655880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 41, 42, 44, 55, 56, 60, 66, 70, 77, 82, 84, 88, 105, 110, 120, 123, 132, 140, 154, 164, 165, 168, 205, 210, 220, 231, 246, 264, 280, 287, 308, 328, 330, 385, 410, 420, 440, 451, 462, 492, 574, 615, 616, 660, 677, 770, 820, 840, 861, 902, 924, 984, 1148, 1155, 1230, 1320, 1353, 1354, 1435, 1540, 1640, 1722, 1804, 1848, 2031, 2255, 2296, 2310, 2460, 2706, 2708, 2870, 3080, 3157, 3385, 3444, 3608, 4062, 4305, 4510, 4620, 4739, 4920, 5412, 5416, 5740, 6314, 6765, 6770, 6888, 7447, 8124, 8610, 9020, 9240, 9471, 9478, 10155, 10824, 11480, 12628, 13530, 13540, 14217, 14894, 15785, 16248, 17220, 18040, 18942, 18956, 20310, 22341, 23695, 25256, 27060, 27080, 27757, 28434, 29788, 31570, 34440, 37235, 37884, 37912, 40620, 44682, 47355, 47390, 52129, 54120, 55514, 56868, 59576, 63140, 71085, 74470, 75768, 81240, 83271, 89364, 94710, 94780, 104258, 111028, 111705, 113736, 126280, 138785, 142170, 148940, 156387, 166542, 178728, 189420, 189560, 194299, 208516, 222056, 223410, 260645, 277570, 284340, 297880, 305327, 312774, 333084, 378840, 388598, 416355, 417032, 446820, 521290, 555140, 568680, 582897, 610654, 625548, 666168, 777196, 781935, 832710, 893640, 915981, 971495, 1042580, 1110280, 1165794, 1221308, 1251096, 1526635, 1554392, 1563870, 1665420, 1831962, 1942990, 2085160, 2137289, 2331588, 2442616, 2914485, 3053270, 3127740, 3330840, 3663924, 3885980, 4274578, 4579905, 4663176, 5828970, 6106540, 6255480, 6411867, 7327848, 7771960, 8549156, 9159810, 10686445, 11657940, 12213080, 12823734, 17098312, 18319620, 21372890, 23315880, 25647468, 32059335, 36639240, 42745780, 51294936, 64118670, 85491560, 128237340, 256474680]

約数ペア:

[(1, 256474680), (2, 128237340), (3, 85491560), (4, 64118670), (5, 51294936), (6, 42745780), (7, 36639240), (8, 32059335), (10, 25647468), (11, 23315880), (12, 21372890), (14, 18319620), (15, 17098312), (20, 12823734), (21, 12213080), (22, 11657940), (24, 10686445), (28, 9159810), (30, 8549156), (33, 7771960), (35, 7327848), (40, 6411867), (41, 6255480), (42, 6106540), (44, 5828970), (55, 4663176), (56, 4579905), (60, 4274578), (66, 3885980), (70, 3663924), (77, 3330840), (82, 3127740), (84, 3053270), (88, 2914485), (105, 2442616), (110, 2331588), (120, 2137289), (123, 2085160), (132, 1942990), (140, 1831962), (154, 1665420), (164, 1563870), (165, 1554392), (168, 1526635), (205, 1251096), (210, 1221308), (220, 1165794), (231, 1110280), (246, 1042580), (264, 971495), (280, 915981), (287, 893640), (308, 832710), (328, 781935), (330, 777196), (385, 666168), (410, 625548), (420, 610654), (440, 582897), (451, 568680), (462, 555140), (492, 521290), (574, 446820), (615, 417032), (616, 416355), (660, 388598), (677, 378840), (770, 333084), (820, 312774), (840, 305327), (861, 297880), (902, 284340), (924, 277570), (984, 260645), (1148, 223410), (1155, 222056), (1230, 208516), (1320, 194299), (1353, 189560), (1354, 189420), (1435, 178728), (1540, 166542), (1640, 156387), (1722, 148940), (1804, 142170), (1848, 138785), (2031, 126280), (2255, 113736), (2296, 111705), (2310, 111028), (2460, 104258), (2706, 94780), (2708, 94710), (2870, 89364), (3080, 83271), (3157, 81240), (3385, 75768), (3444, 74470), (3608, 71085), (4062, 63140), (4305, 59576), (4510, 56868), (4620, 55514), (4739, 54120), (4920, 52129), (5412, 47390), (5416, 47355), (5740, 44682), (6314, 40620), (6765, 37912), (6770, 37884), (6888, 37235), (7447, 34440), (8124, 31570), (8610, 29788), (9020, 28434), (9240, 27757), (9471, 27080), (9478, 27060), (10155, 25256), (10824, 23695), (11480, 22341), (12628, 20310), (13530, 18956), (13540, 18942), (14217, 18040), (14894, 17220), (15785, 16248)]